qqwing man page
qqwing — A tool for generating and solving Sudoku puzzles
Synopsis
qqwing --generate [Options...]
qqwing --solve [Options...]
Description
qqwing is a Sudoku puzzle generator and solver. It offers the following features:
· Fast. It can solve 1000 puzzles in 1 second and generate 1000 puzzles in 25 seconds.
· Uses logic. Uses as many solve techniques as possible when solving puzzles rather than guessing.
· Rates puzzles. Most generators don't give an indication of the difficulty of a Sudoku puzzle. QQwing does.
· Can print solve instructions. Tells steps that need to be taken to solve any puzzle.
· Customizable output style, including a CSV style that is easy to import into a database.
Options
- --generate <num>
Generate new puzzles
- --solve
Solve all the puzzles from standard input
- --difficulty
Generate only simple, easy, intermediate, expert, or any
- --symmetry <sym>
Symmetry: none, rotate90, rotate180, mirror, flip, or random
- --puzzle
Print the puzzle (default when generating)
- --nopuzzle
Do not print the puzzle (default when solving)
- --solution
Print the solution (default when solving)
- --nosolution
Do not print the solution (default when generating)
- --stats
Print statistics about moves used to solve the puzzle
- --nostats
Do not print statistics (default)
- --timer
Print time to generate or solve each puzzle
- --notimer
Do not print solve or generation times (default)
- --count-solutions
Count the number of solutions to puzzles
- --nocount-solutions
Do not count the number of solutions (default)
- --history
Print trial and error used when solving
- --nohistory
Do not print trial and error to solve (default)
- --instructions
Print the steps (at least 81) needed to solve the puzzle
- --noinstructions
Do not print steps to solve (default)
- --log-history
Print trial and error to solve as it happens
- --nolog-history
Do not print trial and error to solve as it happens
- --one-line
Print puzzles on one line of 81 characters
- --compact
Print puzzles on 9 lines of 9 characters
- --readable
Print puzzles in human readable form (default)
- --csv
Output CSV format with one line puzzles
- -h, --help
Display help message
- --about
Display author and license information
- --version
Display version number